Energy
Browse Energy conversions1 British thermal unit = 252.164401 calorie
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Formula Summary
Result: 1 British thermal unit = 252.164401 calorie
Formula: (1 x 1055.05585262) / 4.184
Rounding: Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.
Real World Context
252.164401 calorie is approximately:
- about 0.293 watt-hours
Unit Story
Calorie
A small calorie was defined around heating water. Food labels usually use kilocalories, which are also called Calories.
How This Conversion Works
British thermal unit and calorie are both used for energy conversions. This page converts 1 British thermal unit into 252.164401 calorie using the formula shown below.
Use this result for quick checks, comparisons, and everyday reference. For work that depends on exact precision, review the rounding setting and the assumption note before using the number.
The precision controls let you switch between a shorter result, the standard readable result, and scientific notation when the value is very large or very small.
Unit Notes
- 1 British thermal unit (BTU) equals 1055.05585262 joule.
- 1 calorie (cal) equals 4.184 joule.
Questions
How do you convert British thermal unit to calorie?
This page converts British thermal unit to calorie using this formula: (1 x 1055.05585262) / 4.184.
What is 1 British thermal unit in calorie?
1 British thermal unit equals 252.164401 calorie.
How many decimals does this converter show?
Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision. The precision buttons can also show a shorter result or scientific notation.
Equivalent Values
Nearby Values
Full Details
- Formula
- (1 x 1055.05585262) / 4.184
- Rounding
- Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.
- Assumption
- Energy units use SI definitions. Calorie is the thermochemical calorie at 4.184 joules. BTU is the International Table BTU.
